Drone aircraft



FIG. 1 is a first side perspective view of the drone aircraft of the newdesign;

FIG. 2 is a second side perspective view of the drone aircraft of thenew design;

FIG. 3 is a front perspective view of the drone aircraft of the newdesign;

FIG. 4 is a rear perspective view of the drone aircraft of the newdesign;

FIG. 5 is a bottom view of the drone aircraft of the new design;

FIG. 6 is a rear view of the drone aircraft of the new design;

FIG. 7 is the first side perspective view of the drone aircraft of thenew design with surface lights turned on;

FIG. 8 is the second side perspective view of the drone aircraft of thenew design with surface lights turned on;

FIG. 9 is the front perspective view of the drone aircraft of the newdesign with surface lights turned on;

FIG. 10 is the rear perspective view of the drone aircraft of the newdesign with surface lights turned on; and,

FIG. 11 is the bottom view of the drone aircraft of the new design withsurface lights turned on.

In the drawings, the broken lines depict environmental subject matteronly and form no part of the claimed design.

The surface of the drone aircraft is translucent and the lights appearas shown in FIGS. 7-11 when illuminated.

CLAIM The ornamental design for a drone aircraft, as shown anddescribed.